The effect of auditory distraction on the useful field of view in hearing impaired individuals and its implications for driving
The effect of auditory distraction on the useful field of view in hearing impaired individuals and its implications for driving
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DOI：
10.1007/s10111-016-0366-2
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发表时间：
2016-05
期刊：
影响因子：
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通讯作者：
Nicholas C. Herbert;N. Thyer;Sarah J. Isherwood;N. Merat
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文献类型：
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作者：
Nicholas C. Herbert;N. Thyer;Sarah J. Isherwood;N. Merat
这项研究评估了听力受损个体对听力需求的增加是否加剧了听觉分心对视觉任务(有用视野测试)的有害影响，相对于正常听力的听者。听觉分心对这项视觉任务有负面影响，而视觉任务与各种驾驶表现结果有关。听力受损和听力正常的参与者在同时进行和不进行听力测试的情况下进行有用的视野测试。他们还进行了一次认知测试。对于所有参与者来说，同时执行视觉和听觉任务会降低各自测试的成绩。在许多子测试中，听力受损的参与者表现出较差的视觉任务表现，尽管程度不是统计上显著的。听力受损的参与者在阅读广度任务上明显比正常听力受试者差，在没有听觉任务参与的情况下，在视觉任务中最复杂的分项测试中得分往往更低。有用的视野表现会受到听觉干扰的负面影响，考虑到这项研究中提出的视觉和认知任务表现的降低，听力损失可能会带来进一步的问题。鉴于研究结果的实际重要性，本文对今后的工作提出了建议，以扩展这项研究。
This study assessed whether the increased demand of listening in hearing impaired individuals exacerbates the detrimental impact of auditory distraction on a visual task (useful field of view test), relative to normally hearing listeners. Auditory distraction negatively affects this visual task, which is linked with various driving performance outcomes. Hearing impaired and normally hearing participants performed useful field of view testing with and without a simultaneous listening task. They also undertook a cognitive test battery. For all participants, performing the visual and auditory tasks together reduced performance on each respective test. For a number of subtests, hearing impaired participants showed poorer visual task performance, though not to a statistically significant extent. Hearing impaired participants were significantly poorer at a reading span task than normally hearing participants and tended to score lower on the most visually complex subtest of the visual task in the absence of auditory task engagement. Useful field of view performance is negatively affected by auditory distraction, and hearing loss may present further problems, given the reductions in visual and cognitive task performance suggested in this study. Suggestions are made for future work to extend this study, given the practical importance of the findings.